533
FXUS01 KWBC 110734
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
333 AM EDT SAT OCT 11 2008
VALID 12Z SAT OCT 11 2008 - 00Z MON OCT 13 2008
A STRONG STORM OVER THE WESTERN CENTRAL ROCKIES WILL MOVE
NORTHEASTWARD TO THE NORTHERN PLAINS BY SUNDAY EVENING. THE
ASSOCIATED FRONT EXTENDS FROM THE UPPER GREAT LAKES SOUTHWESTWARD
TO THE CENTRAL ROCKIES AND SNAKES OVER THE MOUNTAINS TO A COLD
FRONT OVER THE SOUTHWEST. MOISTURE FROM THE GULF OF MEXICO WILL
STREAM NORTHWARD ALONG THE EASTERN END OF THE FRONT AND OVERRUN
THE BOUNDARY NEAR THE NORTHERN TIER STATES. THE SYSTEM WILL
PRODUCE SNOW FROM PARTS OF THE GREAT BASIN IN A NORTHEASTWARD ARC
TO THE NORTHERN HIGH PLAINS. SOME OF THE SNOW MAY BE HEAVY.
FROM THE SOUTHWEST NORTHEASTWARD TO THE UPPER MIDWEST RAIN AND
THUNDERSTORMS WILL DEVELOP ON THE SOUTH AND EAST SIDE OF THE
STORM.
MEANWHILE ... AN OLD BOUNDARY OFF THE SOUTHEAST COAST ALONG WITH
EASTERLY FLOW OFF THE ATLANTIC WILL AID IN PRODUCING SHOWERS AND
THUNDERSTORMS OVER PARTS OF THE SOUTHERN MID-ATLANTIC TO THE
SOUTHEAST THROUGH SUNDAY. IN ADDITION ... HIGH PRESSURE WILL RULE
FROM THE GREAT LAKES/NORTHEAST SOUTHWESTWARD TO THE GULF COAST.
HIGH PRESSURE WILL ALSO BE OVER THE NORTHWEST.
ZIEGENFELDER
GRAPHICS AVAILABLE AT WWW.HPC.NCEP.NOAA.GOV
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